By surface
| Surface | Collins Abamu | Hiroki Koshimizu |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-12-11 | WTA | Guaruja | Round of 32 | Hard | Sofie Albinus | 7-5 | 3-6 | 2-6 |
| Surface | Collins Abamu | Hiroki Koshimizu |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-12-11 | WTA | Guaruja | Round of 32 | Hard | Sofie Albinus | 7-5 | 3-6 | 2-6 |